Trimellitate Plasticizer (TOTM)
CAS Number: 3319-31-1
Trimellitate Plasticizer TOTM (trioctyl trimellitate) is a high-molecular-weight, low-volatility plasticizer offering excellent thermal stability and permanence for demanding PVC applications. It is the standard plasticizer for 105°C and 125°C rated PVC wire and cable insulation where long-term heat resistance and minimal weight loss are critical. TOTM also provides outstanding extraction resistance in contact with oils and fuels.
Technical Specifications
| appearance | Colorless to light yellow liquid |
| purity (%) | ≥99.0 |
| color (APHA) | ≤30 |
| flash point (°C) | ≥250 |
| acid value (mgKOH/g) | ≤0.07 |
Applications
- 105°C and 125°C rated PVC wire insulation
- Automotive PVC cable harnesses
- High-temperature PVC seals and gaskets
- PVC industrial hose compounds
- PVC coated fabrics for harsh environments
Key Features
- Standard plasticizer for 105°C+ rated wire insulation
- Extremely low volatility and weight loss
- Excellent oil and fuel extraction resistance
- High molecular weight for superior permanence
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CAS Number
3319-31-1
Category
Plastic / Rubber AdditivesAvailability
In StockSample
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